text: /*
   * Copyright 2011-2016 Blender Foundation
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #ifndef __UTIL_STATIC_ASSERT_H__
  #  define __UTIL_STATIC_ASSERT_H__
  
  CCL_NAMESPACE_BEGIN
  
  /* TODO(sergey): In theory CUDA might work with own static assert
   * implementation since it's just pure C++. 
   */
  #  ifdef __KERNEL_GPU__
  #    ifndef static_assert
  #      define static_assert(statement, message)
  #    endif
  #  endif /* __KERNEL_GPU__ */
  
  /* TODO(sergey): For until C++11 is a bare minimum for us,
   * we do a bit of a trickery to show meaningful message so
   * it's more or less clear what's wrong when building without
   * C++11.
   *
   * The thing here is: our non-C++11 implementation doesn't
   * have a way to print any message after preprocessor
   * substitution so we rely on the message which is passed to
   * static_assert() since that's the only message visible when
   * compilation fails.
   *
   * After C++11 bump it should be possible to glue structure
   * name to the error message,
   */
  #  define static_assert_align(st, align) \
      static_assert((sizeof(st) % (align) == 0), "Structure must be strictly aligned")  // NOLINT
  
  CCL_NAMESPACE_END
  
  #endif /* __UTIL_STATIC_ASSERT_H__ */
  